Declension table of ?sanātanasiddhānta

Masculine	Singular	Dual	Plural
Nominative	sanātanasiddhāntaḥ	sanātanasiddhāntau	sanātanasiddhāntāḥ
Vocative	sanātanasiddhānta	sanātanasiddhāntau	sanātanasiddhāntāḥ
Accusative	sanātanasiddhāntam	sanātanasiddhāntau	sanātanasiddhāntān
Instrumental	sanātanasiddhāntena	sanātanasiddhāntābhyām	sanātanasiddhāntaiḥ sanātanasiddhāntebhiḥ
Dative	sanātanasiddhāntāya	sanātanasiddhāntābhyām	sanātanasiddhāntebhyaḥ
Ablative	sanātanasiddhāntāt	sanātanasiddhāntābhyām	sanātanasiddhāntebhyaḥ
Genitive	sanātanasiddhāntasya	sanātanasiddhāntayoḥ	sanātanasiddhāntānām
Locative	sanātanasiddhānte	sanātanasiddhāntayoḥ	sanātanasiddhānteṣu

Compound sanātanasiddhānta -

Adverb -sanātanasiddhāntam -sanātanasiddhāntāt